Head rail



FIG. 1 is a perspective view of a head rail showing my new design;

FIG. 2 is a front view of a head rail showing my new design;

FIG. 3 is a side view of a head rail showing my new design;

FIG. 4 is a top view of a head rail showing my new design;

FIG. 5 is a bottom view of a head rail showing my new design; and,

FIG. 6 is a rear view of the head rail.

The head rail is shown broken away in order to indicate that a specific length of head rail forms no part of the claimed design.

The broken line portion of the drawing is for illustrative purposes only and forms no part of the claimed design. 

The ornamental design for a head rail, as shown and described. 